Home / 23,115.49-34,678.46-7,321.48

Finding the Fourth Proportional to 23,115.49, 34,678.46 and 7,321.48

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Solution

The fourth proportional to 23,115.49, 34,678.46 and 7,321.48 is: 10,983.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,115.49 : 34,678.46 = 7,321.48 : x
  2. Step 2: Convert to fraction form
    23,115.49/34,678.46 = 7,321.48/x
  3. Step 3: Cross multiply
    23,115.49x = 34,678.46 × 7,321.48
  4. Step 4: Simplify right side
    23,115.49x = 253,897,651.32
  5. Step 5: Solve for x
    x = 253,897,651.32/23,115.49
  6. Step 6: Final answer
    x = 10,983.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.